Multiquip DCA220SSCU4i manual Forced regeneration procedure, ECU DPF Engine Shutdown

Maintenance

ECU Series 800 Controller

Engine Started

DPF STAT Shutdown

Pre-Alarm

Alarm	Screen	Option	Program
Acknowledge Change			Exit

Figure 60. ECU DPF Engine Shutdown

NOTICE

If the RED engine shutdown LED is ever ON (Figure 60), Cummins recommends that the DPF be removed, cleaned or replaced. In addition the shutdown code must be cleared. To clear the code, the ECM must be reset by a licensed Cummins Engine Service Technician, using Cummins service software.

NOTICE

Soot and ash will accumulate in the DPF over time and must be cleaned. The ash is a result of the normal oil consumption while the engine is operated. The ash cleaning interval will largely depend on the engine's duty cycle and condition. Normal service intervals for cleaning ash from the DPF is every 6 months (5000 hours).

Forced regeneration procedure

Follow the steps below to initiate a forced regeneration:

1.Verify that the AMBER pre-alarm LED is ON or FLASHING and the DPF symbol is shown on the ECU display.

2.Place all circuit breakers in the OFF position.

3.Place the engine speed switch in the LOW position.

4.Press the Program/Exit button on the ECU controller and select FORCE REGEN mode.

5.Press and hold the request until the REGEN ACTIVE message is displayed on the screen, then release.

6.Once activated, regeneration will start automatically and the engine idling speed will increase through the forced regeneration cycle. This process will last anywhere from 30 minutes to 1-1/2 hours.

NOTICE

During the regeneration cycle the High Exhaust System Temperature (HEST) symbol may be displayed. Display of this symbol can be considered normal during the regeneration period.

ENGINE

EXHAUST (OUT)

DIESEL PARTICULATE

FILTER (DPF)

Figure 61. Typical DOC/DPF Unit

DIESEL OXIDATION

CATALYST (DOC)

ENGINE

EXHAUST (IN)

DCA220ssCU/4i 60 hz generator• operation manual — rev. #0 (10/25/12) — page 41